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Proof step 14 from proof add-scale-neq (previous step)

dec_i.int % 10 ≠ 0, maxScale(dec_i.int * 10 ^ dec_j.scale + dec_j.int * 10 ^ dec_i.scale) ≤ dec_i.scale + dec_j.scale, 0 ≤ dec_i.scale, 0 ≤ dec_j.scale ⊦ dec_i.scale = dec_j.scale, dec_i.scale + dec_j.scale = max(dec_i.scale, dec_j.scale) + maxScale(dec_i.int * 10 ^ dec_j.scale + dec_j.int * 10 ^ dec_i.scale), (dec_i.int + dec_j.int) % 10 ≠ 0 ∧ dec_j.int % 10 ≠ 0 ∧ dec_i.int % 10 ≠ 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 15:
maxScale(dec_i.int * 10 ^ dec_j.scale + dec_j.int * 10 ^ dec_i.scale) ≤ dec_i.scale + dec_j.scale, 0 ≤ dec_i.scale, 0 ≤ dec_j.scale ⊦ dec_i.scale = dec_j.scale, dec_i.scale + dec_j.scale = max(dec_i.scale, dec_j.scale) + maxScale(dec_i.int * 10 ^ dec_j.scale + dec_j.int * 10 ^ dec_i.scale), dec_i.int % 10 = 0, (dec_i.int + dec_j.int) % 10 ≠ 0 ∧ dec_j.int % 10 ≠ 0

Proof step 14 from proof add-scale-neq (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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